A body of mass 2 kg is kept on a rough horizontal surface- If - s -0-5- find the contact force between the body and the surface- Take g -10 m - s 2A- ZeroB- 10 NC- 10 -5 ND- 20 N

The correct option is D 20 NSince, no external force is acting on the body, ⇒ frictional force, f_s = 0. Hence, the contact force is only due to Normal reacti ...

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Standard XII

Physics

Net Contact Force

A body of mas...

Question

A body of mass $2 k g$ is kept on a rough horizontal surface. If $μ_{s} = 0.5$ , find the contact force between the body and the surface. Take $g = 10 m / s^{2}$ .

Zero

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10 N

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10 \sqrt{5} N

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20 N

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Solution

The correct option is D $20 N$
Since, no external force is acting on the body,
$\Rightarrow$ frictional force, $f_{s} = 0$ .
Hence, the contact force is only due to Normal reaction.
Thus, contact force $F_{c} = N = 2 g = 20 N$ .

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Similar questions

Q. A body of mass

2 k g

is kept on a rough horizontal surface. If

μ_{s} = 0.5

, find the contact force between the body and the surface. Take

g = 10 m / s^{2}

Q. A body of mass

20 k g

is kept on a rough horizontal surface. If

μ_{s} = 0.5

and an external force of

F = 50 N

is applied on the body, find the contact force on the body. (Take

g = 10 m / s^{2}

)

Q. A body of mass

2 kg

is kept on a rough horizontal surface. It is subjected to a force of a)

5 N

20 N

.
Given

μ_{s} = 0.5

and

μ_{k} = 0.4

. Taking

g = 10 {m/s}^{2}

, find the acceleration in each case.

Q. A body of mass

20 k g

is kept on a rough horizontal surface. If

μ_{s} = 0.5

and an external force of

F = 50 N

is applied on the body, find the contact force on the body. (Take

g = 10 m / s^{2}

)

Q. A body of mass

2 kg

is kept on a rough horizontal surface. If

μ_{s} = 0.5

and an external force of

F = 5 N

is applied on the body, find the angle of friction.
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)

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A body of mass 2 kg is kept on a rough horizontal surface. If μs=0.5, find the contact force between the body and the surface. Take g=10 m/s2.

The correct option is D 20 NSince, no external force is acting on the body, ⇒ frictional force, fs=0. Hence, the contact force is only due to Normal reaction. Thus, contact force Fc=N=2g=20 N.

A body of mass $2 k g$ is kept on a rough horizontal surface. If $μ_{s} = 0.5$ , find the contact force between the body and the surface. Take $g = 10 m / s^{2}$ .

The correct option is D $20 N$
Since, no external force is acting on the body,
$\Rightarrow$ frictional force, $f_{s} = 0$ .
Hence, the contact force is only due to Normal reaction.
Thus, contact force $F_{c} = N = 2 g = 20 N$ .